4.32m^2=____km^2 0.08dm^3=____cm^3 144km/h=____m/s 12m/s=___

1m/s=____km/h 1m/s=____m/min 1m/s=____km/h, 1.单位换算:（1）43.2km/h=____m/s （2）30m/s=_____ 1.5m/s= ____km/h 900s=____min 10m/s=____km/s 25cm/s=____m/s?3600m/h=____m/s? 1m/s=_____m/min=______km/h:15m/s=____km/h 3km= dm= cm;8000mm= m= km 7.1h= min= s;2h15min= s;6min2s= s 18km/h=____m/s求过程 km/h=?m/s? 速度单位换算1m/s=?km/h=?dm/s=?m/min=?... 0.8m=_____cm=____um 6um=_____cm=_____mm 3.5km=____m=____cm=_